User's Manual

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COMPANY CONFIDENTIAL

2.2 Interface and Connector

Pin definition:

Pin Number

Symbol Name Status Pin definition

1

GND

P Ground

2

BT_RST

I Reset pin

3

HUSBDP

I/O USB positive data

4

UARTTXD

O UART Transmit signal

5

HUSBDM

I/O USB negative data

6

UARTRXD

I UART Receive signal

7

GND

P Ground

8

BT_DEVICE_WAKE

I -

9

GND

P Ground

10

BT_HOST_WAKE

I -

11

GND

P Ground

12

EMT_SYNC

I -

13

BT_CTS_IC

O -

14

VDD_3P3

P +3.3V power input

S1

GND

P Ground

S2

GND

P Ground